The Recently Extinct Plants and Animals Database

Gila crassicauda Baird & Girard, 1854

Thicktail chub, Sacramento chub, mee-coosh (Amerindian)



Taxonomy & Nomenclature

Synonym/s: Siboma crassicauda (Baird & Girard, 1854)


Conservation Status

Last record: 1950 (McGinnis, 2006:216); 7 August 1950 (Miller, 1961); 16 April 1957 (Miller et al. 1989:26)

IUCN RedList status: Extinct



California, USA


Biology & Ecology




USNM 6729.5001127 (1 fish)

USNM 20905.5002759 (1 fish)

USNM 15407.5001937 (1 fish)

CAS 83065 (1 fish)

CAS 11060 (1 fish)

CAS 64429 (3 fish)


See here:


Archaeological remains:

Bones have been found at Tsaki, a Patwin native American village (McGinnis, 2006:216).






Ayres, W. O. (1862). Occurence of freshwater fishes in San Francisco Bay. Proc. Calif. Acad. Nat. Sci. 2: 163.

Day, David. (1981). The Doomsday Book of Animals: A Natural History of Vanished Species. New York, N.Y.: The Viking Press.

Jelks, Howard L., Walsh, Stephen J., Burkhead, Noel M., Contreras-Balderas, Salvador, Díaz-Pardo, Edmundo, Hendrickson, Dean A., Lyons, J., Mandrak, Nicholas E., McCormick, Frank, Nelson, Joseph F., Platania, Steven P., Porter, Brady A., Renaud, Claude B., Schmitter-Soto, Juan Jacabo, Taylor, Eric B. and Warren, Melvin L. Jr. (2008). Conservation status of imperiled North American freshwater and diadromous fishes. Fisheries 33(8): 372-407.

McGinnis, Samuel M. (2006). Field Guide to Freshwater Fishes of California, revised edition. California Natural History Guide Series No. 77. Berkeley and Los Angeles, California: University of California Press.

Miller, Robert Rush. (1961). Man and the changing fish fauna of the American southwest. Papers of the Michigan Academy of Science, Arts, and Letters 46: 365-404.

Miller, Robert Rush. (1963). Synonymy, characters, and variation of Gila crassicauda, a rare Californian minnow, with an account of its hybridisation with Lavinia exilicauda. Calif. Fish Game 49: 20-29.

Miller, R. R., Williams, J. D. and Williams, J. E. (1989). Extinctions of North American fishes during the past century. Fisheries 14(6): 22-38.

Mills, T. J. and Mamika, K. A. (1980). The thicktail chub, Gila crassicauda, and extinct Californian fish. Calif. Dep. Fish Game, Inland Fish. End. Sp. Prog. Spec. Publ. 80-2. 21pp.

Rutter, C. (1908). The fishes of the Sacramento-San Joquain basin, with a study of their distribution and variation. Bull. U. S. Bur. Fish 27: 103-152.

Schulz, P. D. (1979). Fish remains from a historic central California Indian village. Calif. Fish Game 65: 273-276.

World Conservation Monitoring Centre. (1996). Gila crassicauda. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. ( Downloaded on 09 July 2011.


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